session-interface-modules.hpp

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/*
  SESSION-INTERFACE-MODULES.hpp  -  composing the public session API from several interface modules

  Copyright (C)         Lumiera.org
    2010,               Hermann Vosseler <Ichthyostega@web.de>

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of
  the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/


#ifndef STEAM_MOBJECT_SESSION_INTERFACE_MODULES_H
#define STEAM_MOBJECT_SESSION_INTERFACE_MODULES_H

#include "lib/element-tracker.hpp"
#include "steam/asset/timeline.hpp"
#include "steam/asset/sequence.hpp"
#include "steam/mobject/session/element-query.hpp"
#include "common/query/defs-manager.hpp"




namespace steam {
namespace mobject {
namespace session {
  
  
  typedef lib::ElementTracker<asset::Timeline> TimelineTracker;
  typedef lib::ElementTracker<asset::Sequence> SequenceTracker;
  
  
  struct SessionInterfaceModules
    : util::NonCopyable
    {
      lumiera::query::DefsManager defaultsManager_;
      mobject::session::ElementQuery elementQueryAPI_;
      TimelineTracker timelineRegistry_;
      SequenceTracker sequenceRegistry_;
      
      SessionInterfaceModules();
     ~SessionInterfaceModules();
    };
  
  
  
  
  inline 
  SessionInterfaceModules::SessionInterfaceModules()
  {
    asset::Timeline::setRegistryInstance (timelineRegistry_);
    asset::Sequence::setRegistryInstance (sequenceRegistry_);
  }
  
  inline
  SessionInterfaceModules::~SessionInterfaceModules()
  {
    if (asset::Sequence::is_attached_to (sequenceRegistry_))
      asset::Sequence::deactivateRegistryLink();
    
    if (asset::Timeline::is_attached_to (timelineRegistry_))  // as session dtor is invoked automatically (smart-ptr),
      asset::Timeline::deactivateRegistryLink();             //  another new session might already have grabbed
  }                                                         //   the Timeline / Sequence registration service.
  
  
  
}}} // namespace steam::mobject::session
#endif